Background: Slaughterhouse plays an important role in community health as a place to supply basic food source for human. Due to the effect of meat and products health on causing zoonosis diseases, this research was carried out to evaluate environmental health conditions of Yazd province slaughterhouses.

Method: In this descriptive-analytical research, questioners were completed for all of slaughterhouses (14 cases) in Yazd province, by environmental health experts. To respond to any question, we were considered three options including "good", "undesirable", "medium". The Environmental Health experts trained on how to score during four meetings.

Results: The results of this study indicated that 7% of personal health, 43% of facility, 64.5% of building, 57% of instruments, 14% of wastewater disposal, 93% of water and 57% of solid waste disposal were acceptable.

Conclusion: This research showed that only new slaughterhouse in Yazd had essential environmental health standards, and other slaughterhouses had several health problems. This problem needs more attention for improving the health conditions of slaughterhouses.